MeasureManager discrepancy

[MichaelT_123]

Hi TF360,

Just a small problem,... not life threatening though.

As per documentation:

MeasureResults = measureManager_var.measureMinimumDistance(geometryOne, geometryTwo)

MeasureResults object has two ((relevant in the discussion) properties. 

positionOne	For a distance measurement, this is the point on the first entity where the measurement was made from. For an angle measurement this is one of the three points defining the angle.
positionTwo	For a distance measurement, this is the point on the second entity where the measurement was made to. For an angle measurement this is one of the three points defining the angle.

As per the descriptions, one would expect that positionOne  refers to the first argument of measureMinimumDistance() function. It seems to be not the case.

Please find attached basic test files.

#Author-MT
#Description-MeasureManager problem
'''
MeasureResults A MeasureResults object that contains the distance and the two points on the geometry that the distance that was measured between them in centimeters. 

Name        Type  Description  
geometryOne Base  The first geometry to measure from. This can be an Occurrence, any B-Rep entity (BRepBody, BRepFace, BRepEdge, BRepVertex, etc.), any construction geometry, any sketch entities, and any temporary 3D geometry (Cylinder, Plane, Line3D, etc.). 
geometryTwo Base  The second geometry to measure to. This can be an Occurrence, any B-Rep entity (BRepBody, BRepFace, BRepEdge, BRepVertex, etc.), any construction geometry, any sketch entities, and any temporary 3D geometry (Cylinder, Plane, Line3D, etc.). 

MeasureResults Object 
positionOne       For a distance measurement, this is the point on the first entity where the measurement was made from. For an angle measurement this is one of the three points defining the angle. 
positionThree     This point is only used for angle measurements and is one of the three points defining the angle. 
positionTwo       For a distance measurement, this is the point on the second entity where the measurement was made to. For an angle measurement this is one of the three points defining the angle. 
value             The measurement value. If the measurement is a distance this value will be in centimeters. If it's an angle then it will be in radians. 
'''

import adsk.core, adsk.fusion, adsk.cam, traceback

def run(context):
    ui = None
    try:
        app  = adsk.core.Application.get()
        ui   = app.userInterface
        des  = adsk.fusion.Design.cast(app.activeProduct)
        root = des.rootComponent      
        testPoint = root.originConstructionPoint.geometry 
        testFace  = root.bRepBodies.item(0) 
        
        measureResu = app.measureManager.measureMinimumDistance( testPoint, testFace )
        minDistance = measureResu.value
        positionOne = measureResu.positionOne
        positionTwo = measureResu.positionTwo  
        
        msg  = 'minDistance = {:g}\n'.format(minDistance) 
        msg += 'testPoint   = <{:g},{:g},{:g}>\n'.format(testPoint.x, testPoint.y, testPoint.y) 
        msg += 'positionOne = <{:g},{:g},{:g}>\n'.format(positionOne.x, positionOne.y, positionOne.y)   
        msg += 'positionTwo = <{:g},{:g},{:g}>\n'.format(positionTwo.x, positionTwo.y, positionTwo.y)  
        msg += '\n'
        msg += 'testPoint.isEqualTo(positionOne) = {:s}\n' .format(str(testPoint.isEqualTo(positionOne)))
        msg += 'testPoint.isEqualTo(positionTwo) = {:s}\n' .format(str(testPoint.isEqualTo(positionTwo)))
        ui.messageBox(msg)
    except:
        if ui:
            ui.messageBox('Failed:\n{}'.format(traceback.format_exc()))

Regards

MichaelT

[kandennti]

Hi @MichaelT_123 .

I tried it here, and the result was the same.

        measureResu = app.measureManager.measureMinimumDistance(testFace, testPoint)

I will remember that "the order of positionOne and positionTwo is not guaranteed”.
Thanks.